what does he do next? it's innovate or die. >> it's dangerous not to evolve. if you want to ensure your extinction, cease to evolve. >> reporter: for "this week," rebecca jarvis. abc news, new york. >> joined again by george will, your cool yum has been in the washington post for, what, 40 years? and david, for ten years. and bloomberg west tv, and arianna huffington, editor and chief of the huffington post. started the new media. your selling price was higher than the washington post just a couple of years ago. >> yes, it's interesting how everything has changed. but it's interesting how much faster you can create a brand now. obviously the washington post is a historic, legendary media brand. but look at brands that were created, you know, in the last few years. twitter, 2006, instagram, 2010, huffington post, 2005.